Introducció
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Schlage F51 Latitude Keyed Entry Door Lever. Designed for security and durability, this Grade 2/AAA certified door hardware is suitable for entry doors requiring keyed access. Please read these instructions carefully before beginning installation or use to ensure proper function and safety.
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The Schlage F51 Latitude Keyed Entry Door Lever combines modern design with robust security features. It is crafted from premium metal materials and finished in Matte Black, offering both aesthetic appeal and long-lasting performance.
Característiques principals:
- Keyed Entry Function: Provides security for entry doors, unlocking from the inside by rotating the handle.
- Construcció duradora: Premium metal construction ensures strength and longevity.
- Seguretat certificada: Grade 2/AAA certified BHMA rating for Security, Durability, and Finish.
- Fàcil instal·lació: Designed for hassle-free installation with self-aligning screw holes.
- Ajust Universal: Adjustable latch fits standard doors with 2-3/8" or 2-3/4" backset and door thickness from 1-3/8" to 1-3/4".

Imatge: Frontal view of the Schlage F51 Latitude Keyed Entry Door Lever in Matte Black. This image displays the sleek, modern design of the lever and the keyhole for external access.
Informació de seguretat
Always handle tools with care during installation. Ensure all components are securely fastened to prevent accidental dislodgement. Keep small parts away from children. For optimal security, regularly inspect the lock for any signs of wear or damage and address them promptly.
Instal·lació
The Schlage F51 Latitude door lever is designed for easy installation using basic tools. A screwdriver is typically the only tool required.
Eines necessàries:
- Tornavís Phillips
Door Preparation & Fit:
- Part posterior: Adjustable for 2-3/8" (60mm) or 2-3/4" (70mm).
- Cross Bore Hole Diameter: 2-1/8" (54mm).
- Latch Bore Diameter: 1 polzades (25 mm).
- Gruix de la porta: Fits doors from 1-3/8" (35mm) to 1-3/4" (44mm).

Image: A diagram illustrating the necessary door dimensions (backset, cross bore hole diameter, latch bore diameter, and door thickness) for a hassle-free fit of the Schlage F51 Latitude door lever.
Instal·lació pas a pas:
- Eliminar maquinari antic: If replacing an existing lock, remove all old hardware from the door.
- Instal·leu el tancament: Insert the latch into the edge of the door. Ensure the latch is oriented correctly for your door's swing. The universal latch slides into place without additional tools.
- Install Exterior Lever: Position the exterior lever assembly onto the door, aligning the spindle with the latch mechanism.
- Install Interior Lever: Place the interior lever assembly onto the door, aligning it with the exterior assembly.
- Cargols de seguretat: Use the provided screws to secure both lever assemblies together. Self-aligning screw holes simplify this step.
- Prova de funcionament: Once installed, test the lever's operation and the keyed entry function to ensure smooth and correct locking/unlocking.

Imatge: Explosió view of the Schlage F51 Latitude Keyed Entry Door Lever, showing all components included for installation. This helps in identifying parts during assembly.
Funcionament
The Schlage F51 Latitude Keyed Entry Door Lever offers simple and secure operation.
Bloqueig des de l'exterior:
- Insert the key into the keyhole on the exterior side of the lever.
- Turn the key to the locking position.
- Remove the key. The exterior lever will now be locked.
Desbloqueig des de l'exterior:
- Introduïu la clau al forat de la clau.
- Turn the key to the unlocking position.
- Gireu la palanca per obrir la porta.
Locking/Unlocking from the Interior:
- To lock, rotate the thumbturn on the interior side of the lever.
- To unlock, simply rotate the interior lever. This feature allows for quick exit in emergencies.

Imatge: Una imatge detallada view of the exterior side of the Schlage F51 Latitude Keyed Entry Door Lever, highlighting the keyhole mechanism.

Imatge: Una imatge detallada view of the interior side of the Schlage F51 Latitude Keyed Entry Door Lever, showing the thumbturn for locking and the lever for unlocking.
Manteniment
Proper maintenance ensures the longevity and smooth operation of your Schlage door lever.
- Neteja: Wipe the lever with a soft, damp cloth. Avoid abrasive cleaners or solvents, as these can damage the Matte Black finish.
- Lubricació: Periodically apply a silicone-based lubricant to the latch mechanism and key cylinder to maintain smooth operation. Do not use oil-based lubricants.
- Inspecció: Regularly check all screws and components for tightness. Tighten any loose screws to prevent wobbling or malfunction.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Lever is loose or wobbly. | Els cargols de muntatge estan solts. | Tighten the mounting screws on both sides of the lever. |
| La clau és difícil de girar o treure. | Key cylinder is dirty or dry. | Apply a small amount of graphite lubricant or silicone spray into the key cylinder. |
| El pestell no es retrau suaument. | Latch mechanism is dry or obstructed. | Lubricate the latch mechanism with a silicone-based spray. Check for obstructions in the door frame. |
| La porta no es tanca correctament. | Strike plate misalignment or worn latch. | Adjust the strike plate on the door frame. If worn, consider replacing the latch. |
Especificacions
| Característica | Detall |
|---|---|
| Número de model | F51VLAT622 |
| Material | Metall |
| Color | Negre mat |
| Dimensions del producte | 5.72" de llargada x 3.13" d'amplada |
| Tipus de bloqueig | Bloqueig de clau |
| Orientació de la mà | Ambidextre |
| Pes de l'article | 1.8 lliures |
| Classificació BHMA | Certificat de grau 2/AAA |
Garantia i suport
Schlage locks are backed by a limited lifetime mechanical and finish warranty, and a 3-year electronics warranty (if applicable). For full details regarding your warranty coverage, please refer to the official Schlage warranty documentation or visit the SCHLAGE Store.
For technical assistance or further inquiries, please contact Schlage customer support.





